マガジンのカバー画像

サイエンス

953
本
数学、物理学、化学、天文学などの理系分野について、学習の記録や思ったことをまとめてます。
運営しているクリエイター
岩澤康一

【Astronomy Picture of the Day】Shakespeare in Space, 2023.12.30

Known to some in the northern hemisphere as December's Cold Moon or the Long Night Moon,…

岩澤康一
岩澤康一
3か月前
1

【Astronomy Picture of the Day】Shakespeare in Space, 2023.12.29

In 1986, Voyager 2 became the only spacecraft to explore ice giant planet Uranus close u…

岩澤康一
岩澤康一
3か月前
2

【Astronomy Picture of the Day】Jupiter and the Geminid, 2023.12.28

For a brief moment, this brilliant fireball meteor outshone Jupiter in planet Earth's ni…

岩澤康一
岩澤康一
3か月前
1

【Astronomy Picture of the Day】Rainbow Aurora over Icelandic Waterfall, 2023.12…

Yes, but can your aurora do this? First, yes, auroras can look like rainbows even though…

岩澤康一
岩澤康一
3か月前
2

【Astronomy Picture of the Day】IC 443: The Jellyfish Nebula, 2023.12.26

Why is this jellyfish swimming in a sea of stars? Drifting near bright star Eta Geminoru…

岩澤康一
岩澤康一
3か月前
1

【Astronomy Picture of the Day】Cathedral, Mountain, Moon, 2023.12.25

Single shots like this require planning. The first step is to realize that such an amazi…

岩澤康一
岩澤康一
3か月前
4

【Astronomy Picture of the Day】NGC 2440: Cocoon of a New White Dwarf, 2023.12.24

What's that in the center? Like a butterfly, a white dwarf star begins its life by casting off a cocoon of gas that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become

岩澤康一

【Astronomy Picture of the Day】A December Summer Night, 2023.12.23

Colours of a serene evening sky are captured in this 8 minute exposure, made near this D…

岩澤康一
岩澤康一
3か月前
1

【Astronomy Picture of the Day】183 Days in the Sun, 2023.12.22

A single 183 day exposure with a pinhole camera and photographic paper resulted in this …

岩澤康一
岩澤康一
3か月前
2

【Astronomy Picture of the Day】Three Galaxies and a Comet, 2023.12.21

Distant galaxies abound in this one degree wide field of view toward the southern conste…

岩澤康一
岩澤康一
3か月前
1

【Astronomy Picture of the Day】Ice Halos over Bavaria, 2023.12.20

What's causing those unusual sky arcs? Ice crystals. While crossing a field of fresh sno…

岩澤康一
岩澤康一
4か月前
1

【Astronomy Picture of the Day】NGC 1499: The California Nebula, 2023.12.19

Could Queen Calafia's mythical island exist in space? Perhaps not, but by chance the out…

岩澤康一
岩澤康一
4か月前
2

【Astronomy Picture of the Day】The Same Color Illusion, 2023.12.18

Are squares A and B the same color? They are! To verify this, either run your cursor ove…

岩澤康一
岩澤康一
4か月前
2

【Astronomy Picture of the Day】Geminids over China's Nianhu Lake, 2023.12.17

Where are all of these meteors coming from? In terms of direction on the sky, the pointed answer is the constellation of Gemini. That is why the major meteor shower in December is known as the Geminids -- because shower meteors all appear t

岩澤康一